16     int onebit : 2;  member
37     b.onebit = int_source();  in a()
46     int_sink(b.onebit);  in a()
67     c.onebit = int_source();  in b()
80     int_sink(c.onebit);  in b()
99     c->onebit = int_source();  in c()
112     int_sink(c->onebit);  in c()
136     c.onebit = int_source();  in d()
148     int_sink(c.onebit);  in d()
169     c.onebit = int_source();  in e()
180     int_sink(c.onebit);  in e()